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Engine Coolant Temperature Gage
Gasoline Engine Diesel Engine
This gage shows the engine coolant temperature. If the
gage pointer moves into the red area, your engine
coolant might have overheated and your engine may be
too hot. You should pull off the road, stop your vehicle
and turn off the engine as soon as possible.
See “Engine Overheating” in the Index. If you have a
Caterpillar
R
diesel engine, also see your Caterpillar
R
Operation & Maintenance Manual.
Low Coolant Warning Light
You have a LOW
COOLANT warning
light. If this light comes
on, your system is low
on coolant and the engine
may overheat.
The warning light should come on briefly, as a check,
when you turn on the ignition.
When it comes on, you will also hear a warning tone at
five beats per second for 10 seconds. See “Engine
Coolant” in the Index and have your vehicle serviced as
soon as you can.
This light may also come on if your vehicle is equipped
with the optional automatic engine shutdown system and
engine shutdown has begun. See “Engine Automatic
Shutdown” in the Index.
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